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Home Q & A Board Biology-Related Homework Help General Biology
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tpost99 tpost99
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6 years ago
Which species represent an early stage in primary succession?
 
  a. pine trees
  b. moss and lichens on bare rock
  c. weedy annual plants in an open field
  d. ferns
  e. deciduous trees

Question 2

When gated sodium and potassium channels open during an action potential, what direction do the ions flow?
 
  a. They both flow from interstitial fluid into the cytoplasm.
  b. They both flow from the cytoplasm to the interstitial fluid.
  c. Sodium flows from the cytoplasm to the interstitial fluid and potassium flows the opposite direction.
  d. Sodium flows from the interstitial fluid to the cytoplasm and potassium flows the opposite direction.
  e. Potassium flows from the interstitial fluid to the cytoplasm and sodium flows the opposite direction.
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slpconnerslpconner
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6 years ago
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tpost99 Author
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#2
6 years ago
Bravo! This is awesome
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#3
6 years ago
Glad my efforts were helpful
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